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    <title>Document</title>
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    <script>
        var str = '';
        for (var i = 1; i <= 9; i++) {
            for (var j = 1; j <= 2; j++) {
                // str = str + j + 'x' + i + '=' + i * j + '\t';
                str += `${j}x${i}=${i*j}\t`;
            }
            str += '\n';
        }
        console.log(str);
    </script>
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